Support text in stage channels

changes/1653.bugfix.md

@@ -0,0 +1 @@
+Add support for text in stage channels

hikari/channels.py

@@ -1367,7 +1367,7 @@ class GuildVoiceChannel(PermissibleGuildChannel, TextableGuildChannel):
 
 
 @attrs.define(hash=True, kw_only=True, weakref_slot=False)
-class GuildStageChannel(PermissibleGuildChannel):
+class GuildStageChannel(PermissibleGuildChannel, TextableGuildChannel):
     """Represents a stage channel."""
 
     bitrate: int = attrs.field(eq=False, hash=False, repr=True)
@@ -1387,6 +1387,14 @@ class GuildStageChannel(PermissibleGuildChannel):
     If this is `0`, then assume no limit.
     """
 
+    last_message_id: typing.Optional[snowflakes.Snowflake] = attrs.field(eq=False, hash=False, repr=False)
+    """The ID of the last message sent in this channel.
+
+    .. warning::
+        This might point to an invalid or deleted message. Do not assume that
+        this will always be valid.
+    """
+
 
 @typing.final
 class ForumSortOrderType(int, enums.Enum):

hikari/impl/entity_factory.py

@@ -1173,6 +1173,7 @@ def deserialize_guild_stage_channel(
             snowflakes.Snowflake(overwrite["id"]): self.deserialize_permission_overwrite(overwrite)
             for overwrite in payload["permission_overwrites"]
         }
+        last_message_id = snowflakes.Snowflake(payload["last_message_id"]) if "last_message_id" in payload else None
         return channel_models.GuildStageChannel(
             app=self._app,
             id=channel_fields.id,
@@ -1186,6 +1187,7 @@ def deserialize_guild_stage_channel(
             bitrate=int(payload["bitrate"]),
             user_limit=int(payload["user_limit"]),
             position=int(payload["position"]),
+            last_message_id=last_message_id,
         )
 
     def deserialize_guild_forum_channel(

tests/hikari/impl/test_entity_factory.py

@@ -1999,6 +1999,7 @@ def guild_stage_channel_payload(self, permission_overwrite_payload):
             "user_limit": 3,
             "rtc_region": "euoo",
             "parent_id": "543",
+            "last_message_id": "1000101",
         }
 
     def test_deserialize_guild_stage_channel(
@@ -2018,6 +2019,7 @@ def test_deserialize_guild_stage_channel(
         assert voice_channel.region == "euoo"
         assert voice_channel.bitrate == 64000
         assert voice_channel.user_limit == 3
+        assert voice_channel.last_message_id == 1000101
         assert isinstance(voice_channel, channel_models.GuildStageChannel)
 
     def test_deserialize_guild_stage_channel_with_null_fields(self, entity_factory_impl):
@@ -2034,10 +2036,12 @@ def test_deserialize_guild_stage_channel_with_null_fields(self, entity_factory_i
                 "user_limit": 3,
                 "rtc_region": None,
                 "type": 6,
+                "last_message_id": None,
             }
         )
         assert voice_channel.parent_id is None
         assert voice_channel.region is None
+        assert voice_channel.last_message_id is None
 
     def test_deserialize_guild_stage_channel_with_unset_fields(self, entity_factory_impl):
         voice_channel = entity_factory_impl.deserialize_guild_stage_channel(
@@ -2055,6 +2059,7 @@ def test_deserialize_guild_stage_channel_with_unset_fields(self, entity_factory_
         )
         assert voice_channel.parent_id is None
         assert voice_channel.is_nsfw is False
+        assert voice_channel.last_message_id is None
 
     @pytest.fixture()
     def guild_forum_channel_payload(self, permission_overwrite_payload):